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3 years ago

Which expression is a factor of the expression 20c3+540y3

Mathematics

1 answer:

True [87]3 years ago

5 0

factor 20 out of 20cx*3 =540y*3

so you get 20(cx*3=540y*3) if that is what you are looking for

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Make V the subject of the formula E=mv2/2

Dima020 [189]

Answer:

v = ± $\sqrt{\frac{2E}{m} }$

Step-by-step explanation:

Given

E = $\frac{mv^2}{2}$ ( multiply both sides by 2 to clear the fraction )

2E = mv² ( divide both sides by m )

$\frac{2E}{m}$ = v² ( take the square root of both sides )

v = ± $\sqrt{\frac{2E}{m} }$

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4 years ago

The Sognefjord is the deepest fjord in Norway at 1,308 metres (4,291 ft) If a submersible floating on the surface was to dive ve

natali 33 [55]

Answer:

36 minutes

Step-by-step explanation:

Depth of the fjord = 1308 m

Rate at which the submersible dives = 35 meters/minute

Distance to the bottom of the fjord should be 48 m

Distance the submersible has to go underwater is $1308-48=1260\ \text{m}$

Time is found by dividing the distance the submersible has to go underwater by rate at which the submersible dives

$\dfrac{1263}{35}=36\ \text{minutes}$

The time taken by the submersible to dive the required distance is 36 minutes.

6 0

3 years ago

Find dcq pls thanks so much

Diano4ka-milaya [45]

Answer:

arc ABC = 196°

∠DCQ = 47°

Step-by-step explanation:

arc AD = 70°

∠D = 1/2 arc ABC = 98°

arc ABC = 98° * 2 = 196°

arc CD = 360° - arc AD - arc ABC = 360°-70°-196° = 94°

tangent chord angle DCQ = 1/2 arc CD = 1/2 * 94° = 47°

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3 years ago

Pleaseee helppppppp!!!!!!!!!

larisa [96]

Answer:

angle 1 + angle 2 = 100

angle 1 = 40

angle 2 = 60

angle 3 = 120

Step-by-step explanation:

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3 years ago

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4vir4ik [10]

Answer:

Step-by-step explanation:

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3 years ago

Which expression is a factor of the expression 20c3+540y3​

Which expression is a factor of the expression 20c3+540y3